Sony Trinitron PVM-8044Q - User Manual

SERVICE MANUAL US Model
Canadian Model
PVM-8041Q
Chassis No. SCC-E96A-A
PVM-8044Q
Chassis No. SCC-E96C-A
SPECIFICATIONS
Video signal
Color system PAL, SECAM, NTSC 3 58 , NTSC+43
Resolution PVM-8044Q : 450 TV lines
PVM-8041Q : 250 TV lines
Aperture correction -4.0 dB - +6.0 dB (at 3.0 MHz)
Frequency response 6.0 MHz (-3.0 dB) at all inputs
Synchronization AFC time constant 1.0 msec.
Picture performance
Normal scan 6% over scan of CRT effective screen
Underscan 3% underscan of CRT effective screen
area
H. linearity Less than 7.0% (typical)
V. linearity Less than 7.0% (typical)
Convergence Central area: 0.43mm (typical)
Peripheral area: 0.53mm (typical)
Raster size stability H: 1.0%, V: 1.5%
High voltage regulation
3.0%
Color temperature D65
R/R-Y, G/Y, B/B-Y: BNC connector
R, G, B channels: 0.7 Vp-p, ±6 dB
Sync on green : 0.3 Vp-p, negative,
75 ohms terminated
R-Y, B-Y channels: 0.7 Vp-p, ±6 dB
Y channel: 0.7 Vp-p, ± 6 dB
(Standard color bar signal of 75%
chrominance)
EXT SYNC IN: BNC connector
Composite sync 4 Vp-p, ±6 dB,
negative
Loop-through outputs
Y/C OUT: 4-pin mini DIN connector
VIDEO OUT: BNC connector,
75 ohms terminated
AUDIO OUT: phono jack
EXT SYNC OUT: BNC connector,
75 ohms terminated
AUDIO OUTPUT 0.5W
Tally/remote input TALLY/REMOTE: 8-pin mini DIN
connector (See the pin assignment
on page 2.)
General
Inputs and Outputs Power consumption 45 W Max at AC operation
38 W at DC operation
Inputs Y/C IN: 4-pin mini DIN connector
(See the pin assignment on page 2.)
VIDEO IN: BNC connector
1 Vp-p ± 6dB, sync negative
AUDIO IN: phono jack, -5 dBs, less
than 47k ohms - Continued on next page -
TRINITRON .COLOR VIDEO MONITOR

Sony Trinitron PVM-8044Q Specifications

General

Screen Size	8 inches
Display Type	CRT
Resolution	450 TV Lines
Aspect Ratio	4:3
Input Types	Composite, S-Video
Video Inputs	Composite, S-Video
Input Connectors	BNC, RCA
Weight	Approx. 6.8 kg (15 lb 0 oz)

Summary

Specifications

Video Signal Specifications

Details color system, resolution, aperture, frequency response, and sync parameters.

Picture Performance Specifications

Covers scan modes, linearity, convergence, raster stability, and color temperature.

Input;Output Specifications

Disassembly Procedures

Cabinet and Board Removal

Picture Tube Removal

Detailed steps for safely removing the picture tube and anode cap.

Setup and Adjustments

Beam Landing & Convergence

Focus & White Balance

Safety Related Adjustments

B+ Max Confirmation

Procedures to confirm and adjust B+ voltage limits for safe operation.

Hold-Down Circuit Confirmation

Verifies the operation of the hold-down circuit under specific voltage conditions.

Circuit Adjustments

D Board Adjustments

Deflection Adjustments

B Board Adjustments